I have made my living off global trade since 2004.
You have a point he is behaving like a union leader but one with Machiavellian tendencies see:
duplicity
But he is a businessman megalomaniac billionaire. Everyone that does business with him seems to eventually get screwed. Some end up taking him to court and getting paid off to go away. Others end up screwed in Bankruptcy court when Trump really fucks up.
Trump hasn't had the opportunity to deal with a bona-fide international or domestic case of terrorism yet either.
I don't think he is a classic idiot. Better said he is an egotistical fool.